The variation Extreme Crème Oreo O's had its own television commercial starring the "Créme Team," a troupe of humanoid marshmallows sporting sunglasses, in 2001.
The only differences were that the marshmallows from the 2001 version were not included, the cereal contained artificial flavors and it did not use the Oreo name for licensing reasons.
[17] Due to high sales and a marketing deal made by Walmart, Post announced that Nabisco would once again co-brand the cereal.
Soon afterward, Oreo O's were re-released with their original 1997 recipe worldwide as a Walmart Exclusive Product, including the United States on June 23.
On June 17, 2019, Walmart started selling the cereal with the marshmallows from the 2001 recipe as an exclusive product for a limited time.